This five-strand natural pearl necklace with a central diamond-set pendant that can be removed and worn as a brooch, sold for £182,500 (estimate: £80,000-100,000) sold at Christies in November 2014.

This five-strand natural pearl necklace with a central diamond-set pendant that can be removed and worn as a brooch, sold for £182,500 (estimate: £80,000-100,000) sold at Christies in November 2014.